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Finding the Fourth Proportional to 324,504.32, 447,806.53 and 179,307.79

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Solution

The fourth proportional to 324,504.32, 447,806.53 and 179,307.79 is: 247,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,504.32 : 447,806.53 = 179,307.79 : x
  2. Step 2: Convert to fraction form
    324,504.32/447,806.53 = 179,307.79/x
  3. Step 3: Cross multiply
    324,504.32x = 447,806.53 × 179,307.79
  4. Step 4: Simplify right side
    324,504.32x = 80,295,196,106.30
  5. Step 5: Solve for x
    x = 80,295,196,106.30/324,504.32
  6. Step 6: Final answer
    x = 247,439.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.